Whitepaper

TECHNICAL SPECIFICATIONS
IO-4 IO-6
Headphone principle Closed back circumaural (over ear) Closed back circumaural (over ear)
Full Range Driver 50mm free edge paper fibre cone 50mm free edge paper fibre cone
Connection input(s) Bluetooth (wireless)
3.5mm Mini Jack stereo
USB-C
Bluetooth (wireless)
3.5mm Mini Jack stereo
USB-C
Wireless inputs Bluetooth 5.0
AAC
aptX
aptX HD
Bluetooth 5.0
AAC
aptX
aptX HD
Functions Power ON/OFF
Bluetooth Pair/ Release
Volume up/down
Play/pause/skip track
Take call
Power ON/OFF
Bluetooth Pair/ Release
Volume up/down
Play/pause/skip track
Take call
ANC mode (ON/Transparancy/OFF)
Noise reduction N/A Active Noise Cancellation (ANC)
Hands-free calls and voice assist Clear Voice Communication (CVC) Clear Voice Communication (CVC)
Baery life Up to 60Hrs Up to 30Hrs
Accessories included USB-C cable
3.5mm stereo cable
String Bag
USB-C cable
3.5mm stereo cable
Flight adaptor
Travel case
Finish Iron Black
Caramel White
Iron Black
Caramel White
Replaceable earpads Yes Yes
Weight 320g 325g
Compact storage One-way foldable One-way foldable
IP Rating IP53 IP53
Frequency Range (+/-3dB) [Hz] 10Hz-20kHz 10Hz-20kHz
Max SPL [dBA] BT/ USB full scale 100dBA 100dBA
Analogue Input sensitivi for
94dB spl @ 500Hz
(Passive mode/ Active mode)
200 mV rms /175 mV rms 200 mV rms /175 mV rms
Impedance ( Passive mode) 25 Ohm 25 Ohm
All technical specifications are subject to change without notice.
DALI A/S
www.dali-speakers.comDALI IO